<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="styles.css">
    <title>登录界面</title>
</head>
<body>
<div class="login-container">
    <h2>登录</h2>
    <form>
        <div class="form-group">
            <label for="username">用户名:</label>
            <input type="text" id="username" required>
        </div>
        <div class="form-group">
            <label for="password">密码:</label>
            <input type="password" id="password" required>
        </div>
        <button type="submit">登录</button>
    </form>
</div>
</body>
</html>